Home / 1,365,190,848.72-1,883,949,958.80-738,645,529.32

Finding the Fourth Proportional to 1,365,190,848.72, 1,883,949,958.80 and 738,645,529.32

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Solution

The fourth proportional to 1,365,190,848.72, 1,883,949,958.80 and 738,645,529.32 is: 1,019,323,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,190,848.72 : 1,883,949,958.80 = 738,645,529.32 : x
  2. Step 2: Convert to fraction form
    1,365,190,848.72/1,883,949,958.80 = 738,645,529.32/x
  3. Step 3: Cross multiply
    1,365,190,848.72x = 1,883,949,958.80 × 738,645,529.32
  4. Step 4: Simplify right side
    1,365,190,848.72x = 1,391,571,214,530,218,240
  5. Step 5: Solve for x
    x = 1,391,571,214,530,218,240/1,365,190,848.72
  6. Step 6: Final answer
    x = 1,019,323,573.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.